ID 原文 译文
18225 接着进行弹孔区域粗提取、能量筛选与重叠弹孔判别，获得弹孔位置分布。 Then, rough extraction of bullet hole area, energy screening andoverlapping bullet holes discrimination are carried out to obtain the location distribution of bullet holes.
18226 采用在部队靶场实地采集的图像进行实验，验证了该算法可以有效抑制光照不均与随机抖动带来的噪声影响，具有较好的弹孔提取能力。 The experimental results show that the algorithm can effectively suppress the noise caused by non-uniform illumination and random jitter, and has great ability of bullet hole extraction.
18227 为揭示通信电台复杂电磁环境效应机理，该文采用全电平辐照法实验研究了某型超短波数字通信电台的单频和带外双频电磁辐射阻塞效应，确定了其单频电磁辐射效应规律和敏感带宽， In order to reveal the complex electromagnetic environment effects mechanism of communicationradio, the blocking effect of single-frequency and out-of-band dual-frequency electromagnetic radiation for theultra-short wave digital communication radio is experimentally studied by irradiation method. The rule ofsingle-frequency electromagnetic radiation effect and the susceptible bandwidth are determined.
18228 实验数据表明受试电台对带外双频3阶互调阻塞较单频电磁辐射阻塞干扰敏感9～23 dB。 The experimental data show that the tested radio is 9～23 dB more susceptible to out-of-band dual-frequency third-order intermodulation blocking than single-frequency electromagnetic radiation blocking.
18229 实验过程中发现了一种既不能用双频非互调迭加机理解释、也不能用3阶交互调机理解释的双频电磁辐射敏感现象。 A sensitive phenomenon of dual-frequency electromagnetic radiation which can neither be explained by the dual-frequency non-intermodulation superposition mechanism nor by the third-order intermodulation mechanism has been found in the experiment.
18230 针对基于椭圆球面波函数(PSWFs)的非正弦时域调制算法复杂度高的不足，该文引入空间映射，分析了PSWFs信号频域完备正交性，推导出PSWFs信号频域有效表示所需最小抽样点数。 In view of the problem of high complexity for non-sinusoidal time domain modulation algorithmsbased on Prolate Spheroidal Wave Functions (PSWFs), spatial mapping is introduced to analyze the completeorthogonality and derive the minimum number of sampling points of PSWFs in the frequency domain.
18231 在此基础上，引入复数域映射、FFT/IFFT信号处理框架，提出PSWFs频域调制解调方法。 On this basis, the complex domain mapping and FFT/IFFT signal processing framework are introduced, and thePSWFs frequency domain modulation and demodulation method are proposed.
18232 该方法将PSWFs信号处理由时域拓展到频域，在频域进行信息加载与检测，为探索研究PSWFs信号在5G、超5G等采用频域信号处理的通信系统中的应用提供了可能。 The proposed method extendsPSWFs signal processing from time domain to frequency domain, providing a possibility for exploring andstudying the application of PSWFs signal to 5G, beyond 5G which use frequency domain signal processing.
18233 理论和数值分析表明，相对于PSWFs时域调制，所提方法将能够在不改变系统频带利用率、系统误码性能、调制信号能量聚集性以及信号峰均功率比的前提下，显著降低算法复杂度，将运算复杂度由O(2Qg2)降低为O(g2+glog2g)。 Theory and numerical analysis show that, compared with the time domain modulation, the proposed method can reduces the complexity of the algorithm from O(2Qg2) to O(g2+glog2g) without changing the system spectral efficiency, system error performance, modulation signal energy aggregation, and peak-to-average power ratio.
18234 椭圆曲线Diffie-Hellman密钥交换协议与其他公钥密码体制相比，能够以较小的密钥尺寸来达到相同的安全强度，因此在实际应用中对带宽和存储的要求较低，从而在很多计算资源受限的环境中有更多应用价值。 The elliptic curve Diffie-Hellman key exchange protocol enjoys great advantages since it could achievethe same security level with significantly smaller size of parameters compared with other public keycryptosystems. In real-world scenarios, this type of protocol requires less bandwidth and storage which leads to more application especially to computing resource constrained environments.